Berry's Bullets Hybrid Hollow Point Bullets feature 2 designs merged into one. These hollow points follow the same process as Berry's Superior Plated Bullets by starting with a swaged lead core that is bonded with copper, then re-struck ensuring precise specs and given the hollow-point nose. This allows for maximum expansion with excellent weight retention. The outcome is one of the most reliable self-defense bullets on the market today. Swaged lead core bonded with copper Bullets are re-struck and given their hollow-point noses Excellent penetration and weight retention Superior self-defense bullet design